Pyridine and methanol can act as weak bases. Their ?b values are given. Consider the compounds water, ethylamine, acetone, and aniline, whose ?b values can be found in the table. Classify them by whether they can be appreciably (?eq>1) protonated by pyridinium, CH3OH+2, both, or neither. 。 Pyridine and methanol can act as weak bases. Their Kü values are given.HpyridineKb = 1.5 x 10-⁹Compound KbacetoneanilineethylaminewaterH*1.0 × 10-217.4 x 10-106.3 × 10-41.8 × 10-16Pyridinium onlyethylamineCH,CH,NH,Consider the compounds water, ethylamine, acetone, and aniline, whose Kü values can be found in the table. Classify them bywhether they can be appreciably (Keq > 1) protonated by pyridinium, CH₂OH, both, or neither.anilineCH,NH,NpyridiniumCH₂OH onlywaterH₂OCH3OHacetoneCH3C(=O)CH3H*methanolKb = 6.3x10-17Answer BankCH3OH₂+protonatedmethanolBothNeither

For pyridine, Kb = 1.5*10-9 => Ka of pyridinium(PyH+) = KwKb = 1*10-141.5*10-9 = 6.67*10-6 For…

Pyridine and methanol can act as weak bases. Their Kb values are given. H pyridine Kb = 1.5 x 10-9 Compound Kb acetone aniline ethylamine water H+ 1.0 × 10-21 7.4 x 10-10 6.3 x 10-4 1.8 x 10-16 Pyridinium only ethylamine CH,CH,NH, pyridinium Consider the compounds water, ethylamine, acetone, and aniline, whose K, values can be found in the table. Classify them by whether they can be appreciably (Keq > 1) protonated by pyridinium, CH₂OH, both, or neither. aniline CH,NH, CH3OH only water H₂O CH3OH acetone CH3C(=O)CH3 H* methanol Kb = 6.3x10-17 Answer Bank CH3OH₂* protonated methanol Both Neither

Pyridine and methanol can act as weak bases. Their Kb values are given. H pyridine Kb = 1.5 x 10-9 Compound Kb acetone aniline ethylamine water H+ 1.0 × 10-21 7.4 x 10-10 6.3 x 10-4 1.8 x 10-16 Pyridinium only ethylamine CH,CH,NH, pyridinium Consider the compounds water, ethylamine, acetone, and aniline, whose K, values can be found in the table. Classify them by whether they can be appreciably (Keq > 1) protonated by pyridinium, CH₂OH, both, or neither. aniline CH,NH, CH3OH only water H₂O CH3OH acetone CH3C(=O)CH3 H* methanol Kb = 6.3x10-17 Answer Bank CH3OH₂* protonated methanol Both Neither

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter16: Amines

Section: Chapter Questions

Problem 16.27P: 16-27 Guanidine, p/Ca 13.6, is a very strong base, almost as basic as hydroxide ion. NH NH2+ II II...

See similar textbooks

Similar questions

The equilibrium constant, K, for a neutralization reaction can be symbolized as Kn- Determine K, at 25 °C for the reaction NH, (aq) + HB1O(aq) = NH†(aq) + BrO¯(aq) using Kw, and the K, and K, values from the ionization constant tables. Kn ||
Consider the following data on some weak acids and weak bases: base acid Κα a Ко name formula name formula hydrofluoric acid 4 HF 6.8 × 10 pyridine CH&N 1.7x10 acetic acid HCH3CO2 1.8 × 10¯¯ methylamine CH3NH2 4.4 × 10¯ -4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 0.1 M KCI solution PH ✓ choose one 1 (lowest) 0.1 M CH3NH3Br 0.1 M C5H5NHCI 0.1 M NaF 2 3 4 (highest) choose one v Х
Consider the following data on some weak acids and weak bases: acid base Ba K, name formula name formula hydrocyanic acid HCN 10 4.9 x 10 methylamine| CH3NH2 |4.4 × 10 HCH,CO2 1.8 × 10 ethylamine C2H5NH2|6.4 × 10 acetic acid Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NaCN choose one 0.1 M KBr choose one 0.1 М КСН3СО2 choose one 0.1 М CН3NHзBr choose one
Consider the following data on some weak acids and weak bases: acid base Ka name formula name formula HNO2 -4 | 4.5 × 10 |C,H,NH2 |4.3 × 10 - 10 nitrous acid aniline acetic acid HCH3CO2 | 1.8 × 10 -5 hydroxylamine HONH, -8 1.1 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NaNO3 choose one 0.1 M HONH3BR choose one v 0.1 M NANO2 choose one ♥ 0.1 M CGH5NH3CI choose one v
Consider the following data on some weak acids and weak bases: acid base Ka name formula name formula hydrocyanic acid НCN 10 4.9 x 10 ethylamine C2H;NH, 6.4 × 10¬4 HNO2 |4.5 x 10 hydroxylamine HONH, 1.1 × 10-8 nitrous acid Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NaI choose one 0.1 M KCN choose one 0.1 M NaNO2 choose one 0.1 M C2H5NH3CI choose one
Consider the following data on some weak acids and weak bases: acid base Ka K, name formula name formula C;H,N |1.7 × 10~9 4 hydrofluoric acid HF 6.8 × 10 pyridine 10 4.9 x 10 alo 4 hydrocyanic acid НCN ethylamine C2H,NH, | 6.4 × 10 Ar Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the sofution t will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C2H5NH3B choose one 0.1 M C5H5NHCI choose one v 0.1 М KI choose one v 0.1 M KF choose one
Consider the following data on some weak acids and weak bases: acid base Ka name formula name formula hydrocyanic acid НCN - 10 4.9 x 10 methylamine CH3NH2 |4.4 × 10 hypochlorous acid HC1O 8. 3.0 × 10 ethylamine C2H,NH,|6.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C2H5NH3CI choose one 0.1 M NaCN choose one 0.1 M NaCi choose one 0.1 М CН3NH3B choose one
Consider the following data on some weak acids and weak bases: acid base Ka Kb formula name name formula - 10 -4 HNO₂ aniline nitrous acid C%H;NH,|4.3 × 10 4.5 × 10 -5 acetic acid HCH3CO₂ 1.8 × 10 methylamine CH3NH₂ 4.4 × 10¯¯ -4 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C6H5NH3Br ✓ choose one 1 (lowest) 0.1 M KCH3CO₂ 2 3 0.1 M CH3NH3Cl 4 (highest) 0.1 M NaNO₂ choose one ✓
Consider the following data on some weak acids and weak bases: acid base Ка K₂ name formula name formula 4 hypochlorous acid HCIO 3.0 × 10 ethylamine C₂H5NH₂ 6.4 × 107 acetic acid HCH3CO₂ 1.8 × 10 methylamine CH3NH₂ 4.4×10¯ " Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a 2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M C₂H5NH3CI ✓ choose one 1 (lowest) 0.1 M CH3NH3Br 2 3 0.1 M KNO3 4 (highest) 0.1 M NACIO choose one ✓
Consider the following data on some weak acids and weak bases: acid Ka formula name name 8 hypochlorous acid HCIO 3.0 × 10 hydrofluoric acid HF 6.8 x 10 base Kb formula -10 aniline C&H NH 4.3x 107 methylamine CH3NH2 4.4 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution PH 0.1 M C6H5NH3Br choose one ✓ choose one 0.1 M KCI choose one ◇ 1 (lowest) 0.1 M KCIO choose one 2 0.1 M NaF choose one 3 × 4 (highest)
Consider the following data on some weak acids and weak bases: acid base Bo K. name formula name formula HNO2 |4.5 x 10 -4 -4 nitrous acid ethylamine C2H5NH, 6.4 x 10 hydrofluoric acid HF - 4 6.8 × 10 hydroxylamine HONH, |1.1 × 10 8. Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 М HONHзBr choose one v 0.1 M C2H5NH3CI choose one v 0.1 M NaI choose one v 0.1 M NaF choose one v ?
Predicting the qualitative acid-base properties of salts Consider the following data on some weak acids and weak bases: base acid Κα name formula name Kb formula acetic acid HCH3CO2 1.8 × 10 methylamine CH3NH2 4.4 × 10¯ -4 -8 hypochlorous acid HCIO 3.0 × 10 aniline C6H5NH2 4.3 × 10 - 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution 0.1 M CH3NH3Br 0.1 M C6H5NH3CI 0.1 M KI 0.1 M KCH3CO2 PH ✓ choose one ☑ 1 (lowest) 2 3 4 (highest) choose one v ? 00. 18 Ar Bi